Patents for G11B 23 - Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus (25,121) |
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01/20/1988 | EP0252984A1 Magnetic recording/regenerating apparatus |
01/20/1988 | CN87200820U Tape feeding indicator for cassette tape recorder |
01/19/1988 | US4720153 Storage rack for magnetic tape cartridges |
01/19/1988 | US4720055 Tape clamp mechanism for reel hub of tape cassette |
01/14/1988 | WO1988000385A1 Disk cartridge |
01/13/1988 | EP0252662A2 Information recording medium |
01/13/1988 | EP0252226A1 Disk retainer and packaging system for optical disks |
01/12/1988 | US4719529 Magnetic tape cassette incorporating prevention of unwanted rotation during transportation |
01/12/1988 | US4718552 Disk shipper and transfer tray |
01/12/1988 | US4718550 Thermoformed composite cassette album |
01/12/1988 | CA1231444A1 Flexible magnetic disk write protect device |
01/12/1988 | CA1231442A1 Alternately centered disk pack assembly and method |
01/07/1988 | EP0251622A1 Self adjusting endless loop tape cartridge |
01/07/1988 | EP0251344A2 Method of filling cassette with a length of magnetic tape and apparatus for carrying out the method |
01/07/1988 | EP0251210A1 A security system for protecting information |
01/05/1988 | US4717981 Hard disc cartridge arrangement with an automatically activated door |
01/05/1988 | US4717980 Tape cassette with low friction slide member for guiding movement of a lid thereon |
01/05/1988 | US4717977 High capacity Winchester disk drive |
01/05/1988 | US4717976 Apparatus using disc-shaped record bearing medium |
01/05/1988 | US4717973 Recorded information verification system |
01/05/1988 | US4717213 Magnetic tape cassette box |
01/05/1988 | US4717091 Tape cassette, in particular a video tape cassette, and a pressure spring therefor |
01/05/1988 | US4717090 Device for restoring and removing a tape leader block to and from a tape cassette |
01/05/1988 | US4717021 Video cassette container display |
01/05/1988 | US4716745 Video cassette security device |
01/05/1988 | US4716650 Method of assembling magnetic recording disk cartridge |
12/29/1987 | US4716560 Recording disc and method for fabricating same |
12/29/1987 | US4716485 Cartridge-shaped cleaning device with a rotable cleaning assembly |
12/29/1987 | US4716481 Recording and/or reproducing apparatus having an imposed head shifting feature |
12/29/1987 | US4716063 Transfer layer is composed of unsaturated cycloacetal compound, mercapto compound, and (meth)acrylic ester |
12/29/1987 | US4715558 Single piece tape reel and assembly |
12/23/1987 | EP0250111A2 Cartridge for an optical disk for recording data on the two faces thereof and the associated reading device |
12/23/1987 | EP0249997A2 Stacking box for compact audio tape cassettes |
12/23/1987 | EP0249784A1 Magnetic tape winding device using magnetic edge alignment |
12/23/1987 | CN87104064A Method of manufacturing tape reel |
12/22/1987 | US4714973 Shutter assembly for use in a disc cartridge |
12/22/1987 | US4714972 Housing for a magnetic disk memory having a disk pack seat at opposite sides of the disk pack |
12/22/1987 | US4714213 Magnetic tape cassette with magnetic tape protective closure and bias means therefor |
12/22/1987 | US4714212 Pneumatic tape tensioning device for a cassette loading machine |
12/22/1987 | US4714161 Security cassette holder |
12/22/1987 | US4713857 Apparatus for use in cleaning the tape of a tape cassette |
12/22/1987 | US4713856 Apparatus for cleaning digital audio discs |
12/17/1987 | WO1987007424A3 Flexible cassette for use with a reel periphery driven transport |
12/17/1987 | DE3619611A1 Container for cassettes, in particular for video cassettes |
12/17/1987 | DE3619563A1 Video cassette with child lock |
12/16/1987 | EP0248908A1 Disk cartridge having shutter and a device for opening and closing the shutter |
12/16/1987 | CN86210184U Preserving box for cassette cabinet |
12/15/1987 | US4713713 Cleaning tape cartridge used in videotape recorders |
12/15/1987 | US4713712 Cassette type cleaning device for the cleaning of playing/recording head, erasing head, and capstan/pinch roller |
12/15/1987 | US4713705 Means and methods for improved transducing of flexible disk packs |
12/15/1987 | US4712678 Container having automatic doors and for accommodating data storage media |
12/15/1987 | CA1230418A1 Spring mechanism for lid of video cassette |
12/15/1987 | CA1230307A1 Conveyor system |
12/09/1987 | EP0248611A2 Packaging medium |
12/09/1987 | EP0248587A2 Cassette presentation case |
12/09/1987 | EP0248454A1 Process for filling with treatment solutions and/or their regeneration |
12/09/1987 | CN87103901A Method of manufacturing tape reel |
12/08/1987 | US4712150 Tape cassette having a lock mechanism for locking a tape protective lid |
12/08/1987 | US4712149 Recording tape cassette |
12/08/1987 | US4712148 Magnetic tape cassette with equalization of electrostatic charges |
12/08/1987 | US4711347 Protective envelope for optical data card |
12/08/1987 | CA1230179A1 Optical disc cartridge |
12/03/1987 | WO1987007424A2 Flexible cassette for use with a reel periphery driven transport |
12/03/1987 | DE3718302A1 Information recording carrier |
12/02/1987 | EP0247876A2 Storage and dispensing means |
12/02/1987 | EP0247872A2 Magnetic head assembly for a flexible magnetic disk drive unit |
12/02/1987 | EP0247822A2 Method of manufacturing tape reel |
12/02/1987 | EP0247821A2 Method of manufacturing tape reel |
12/02/1987 | EP0247252A1 Tape cassette rewinding machine |
12/02/1987 | CN87201092U Cassette with dismountable tape feed |
12/01/1987 | US4710907 Operation prohibition device for an audio instrument |
12/01/1987 | US4710839 Magnetic disc cartridge |
12/01/1987 | US4709873 Device for positioning a tape threader pin in a take-up reel |
12/01/1987 | US4709816 Recording disc cartridge |
12/01/1987 | US4709815 Tape cartridge holding case |
12/01/1987 | US4709812 Compact disc package and a method of making same |
12/01/1987 | US4709437 Compact disc cleaner |
12/01/1987 | CA1229914A1 Tape deck with take-up reel rotation sensor configured to prevent tape windup on the capstan or pinch roller |
11/26/1987 | DE3716778A1 Fixed magnetic-disc device |
11/26/1987 | DE3617483A1 Magnetic-disc cassette with integrated magnetic-tape reels for recording and reproducing electromagnetic signals, in particular for EDP installations |
11/25/1987 | EP0246899A1 Optical information recording and reproducing apparatus |
11/25/1987 | EP0246625A2 Method of and apparatus for cleaning magnetic recording disk cartridge |
11/24/1987 | US4709290 Tape cassette, in particular a magnetic tape cassette, and a support liner therefor |
11/24/1987 | US4709288 Adjusting means in particular for guide elements, and magnetic tape cassette possessing such means |
11/24/1987 | US4708285 Floppy disk directory envelope form |
11/24/1987 | US4708246 Shipping package for recording tape pancakes |
11/19/1987 | EP0245507A1 Recording/regenerative apparatus for disc cartridge |
11/19/1987 | EP0245458A1 Disk cassette pressure spring mechanism |
11/19/1987 | EP0245450A1 Storage and security system for cassette-like objects |
11/19/1987 | EP0245429A1 Device for preventing unauthorised use of data carriers |
11/19/1987 | EP0245428A1 Device for prevention of unauthorized use of credit cards and the like data media. |
11/19/1987 | EP0245258A1 Devices for preventing unauthorised use of video-cassettes |
11/18/1987 | CN86204140U Multi-purpose recorder and its cassette recording card |
11/17/1987 | US4707821 Disc holder for a rigid audio and/or video disc |
11/17/1987 | US4707757 Pressing spring for a magnetic tape cartridge |
11/17/1987 | US4707593 Visible image magnetic card |
11/17/1987 | US4707247 Disk cassette storing |
11/17/1987 | US4706813 Cuboid container for articles and hinge and pivot-limiting means therefor |
11/12/1987 | DE3715602A1 Disc drive |
11/11/1987 | EP0244525A1 Disk file with air filtration system |